Application of multimodal electromagnetic navigation in endoscopic endonasal approach of fresh cadavers

doi:10.13418/j.issn.1001-165x.2023.2.07

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Chinese Journal of Clinical Anatomy ›› 2023, Vol. 41 ›› Issue (2) : 156-161. DOI: 10.13418/j.issn.1001-165x.2023.2.07

Application of multimodal electromagnetic navigation in endoscopic endonasal approach of fresh cadavers

Zhou Chunhui, Lv Wenying, Dong Chao, Zhang Jianning, Sun Junzhao*

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Abstract

Objective To explore the role of multimodal electromagnetic navigation in assisting endoscopic endonasal approach (EEA) dissection of fresh cadavers. Methods Multi-modal reconstruction of fresh cadaveric head specimen was explored, the accuracy of electromagnetic navigation in the measurement of deep structure in EEA was verified. Electromagnetic navigation was used to locate the characteristic fixed bony markers in the nasal cavity and sinuses. Results The computed tomography (CT) and magnetic resonance imaging (MRI) T1 sequences of fresh cadavers could be used for multimodal reconstruction, but other sequences failed. There was no statistical difference between the measurement results of electromagnetic navigation and millimeter soft ruler, which confirmed that electromagnetic navigation was suitable for EEA deep measurement of fresh cadavers. Conclusions CT and the T1 sequence of MRI can be used for EEA measurement of fresh cadaveric by multi-modal electromagnetic navigation. Positioning of characteristic anatomical markers in the nasal cavity and sinuses by navigation provides basis for subsequent intracranial anatomical measurement

Key words

Multimodal neuro-navigation / / / Minimally invasive / / / Endoscopic endonasal approach / / Anatomy / / / Nasal cavity / / / Sinuses

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Zhou Chunhui, Lv Wenying, Dong Chao, Zhang Jianning, Sun Junzhao. Application of multimodal electromagnetic navigation in endoscopic endonasal approach of fresh cadavers[J]. Chinese Journal of Clinical Anatomy. 2023, 41(2): 156-161 https://doi.org/10.13418/j.issn.1001-165x.2023.2.07

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